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Fig. 1


Maps of the dust optical depth at 353 GHz (top left panel), of the stellar reddening by dust (top right panel), and of their ratio (bottom left panel). The map on the lower right shows in green the pixels with an angular resolution of 0. °11 in E(BV), which have been retained for mask2, and in black the pixels with a lower resolution (see Sect. 3.3).

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